Read the What are Ethernet Crossover Cables? topic details.
Crossover Cable - an overview
Are crossover ethernet cables still in use today, or has it gone done the pages of history? - Quora
Connect Two Computers using a Crossover Cable
Crossover cable - Wikipedia
Ethernet Cat5E Crossover Cable -- DataPro
How to make RJ45 cable - Inst Tools
RJ45 Cable Tester Detailed Circuit Diagram Available
Types of Ethernet cables - straight-through and crossover
Ethernet Crossover Cables and Straight Through Cables - When to Use Which